Oral Medicine Salivary Gland TumorsOver 85% of salivary gland tumors occur in adults. Salivary tumors in children are most often located in the parotid glands, with more than half being benign. The most common malignant lesions in children are mucoepidermoid carcinoma and acinic. Mucoepidermoid carcinoma24.63 Kb. 1